[Feature Request]: Support preserveEntrySignatures option / preserveSignatures in emitFile #3500
Description
What problem does this feature solve?
preserveEntrySignaturespreserveSignatureinthis.emitFile
Vite, qwik, waku uses these options to allow rollup to generate less number of chunks.
For example, Vite sets preserveEntrySignatures: false for browser bundles.
What does the proposed API look like?
Same with rollup.